Bittorf reaction

Bitt·orf re·ac·tion

(bit'ōrf),
in cases of renal colic, pain radiating to the kidney on squeezing a testicle or pressing an ovary.

Bit·torf re·ac·tion

(bit'ōrf rē-ak'shŭn)
In cases of renal colic, pain radiating to the kidney when a testicle is squeezed or an ovary is pressed.

Bittorf,

Alexander, German physician, 1876-1949.
Bittorf reaction - in cases of renal colic, pain radiating to the kidney upon squeezing the testicle or pressing the ovary.